<template>
  <div class="login_container">
    <div class="login_box">
      <!-- 头像图片展示页面 -->
      <div class="avatar_box">
        <img src="../assets/logo.png" />
      </div>
      <el-form
        ref="loginFormRef"
        :rules="loginFormRules"
        :model="loginForm"
        label-width="0px"
        class="login_form"
      >
        <el-form-item prop="username">
          <el-input
            v-model="loginForm.username"
            prefix-icon="iconfont icon-users"
            >名称</el-input
          >
        </el-form-item>
        <el-form-item prop="password">
          <el-input
            type="password"
            v-model="loginForm.password"
            prefix-icon="iconfont icon-3702mima"
            >密码</el-input
          >
        </el-form-item>
        <el-form-item class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info"  @click="resetLoginForm">重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
// import { Component, Vue } from ""
export default {
  name: "Login",
  data() {
    return {
      loginForm: {
        username: "admin",
        password: "123456"
      },
      loginFormRules: {
        username: [
          { required: true, message: "请输入用户名称", trigger: "blur" },
          { min: 3, max: 10, message: "长度在 3 到 5 个字符", trigger: "blur" }
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          { min: 6, max: 11, message: "长度在 3 到 5 个字符", trigger: "blur" }
        ]
      }
    };
  },
  methods:{
      resetLoginForm(){    
        this.$refs.loginFormRef.resetFields()
      },
      login(){
          this.$refs.loginFormRef.validate(async valid =>{
            //   console.log(valid)
            if(!valid) return false
            // 返回的是带用data 还有axios对象的数据 可以本地结构化一下代码就可以实现我们想要的功能了
           console.log(this.loginForm)
           const {data:res} = await this.$http.post('login',this.loginForm)
            console.log(res)
            if(res.meta.status !==200){
                return this.$message.error("登录失败")
            }
            this.$message.success("登录成功")
            // 登录成功之后要不token存放到session 中
            window.sessionStorage.setItem('token',res.data.token)
            this.$router.push("/home");
          })
      }
  }
};
</script>

<style lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  // CSS语法 平移多少
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.btns {
  display: flex;
  justify-content: flex-end;
}
.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  // 包含padding 和maggin属性的值 box-sizing:broder-box
  box-sizing: border-box;
}
</style>